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Ep = Ek
Ek= m* v^2 / 2
Ep= m * g * h
m * v^2 / 2 = m* g *h
m * v^2 = 2mgh
v^2 = 2mgh / m
v^2 = 2gh
h = v^2 / 2g
h = (a * t ) ^2 / 2g
potem podstawiam dane:
h = (10 * 2) ^2 / 2 * 10 [ (m/s^2 * s)^2 / m/s^2 ]
h = 400 / 20
h = 20 m
v=10m\s s=?
S=v*t
s=10 *2=20
s=20m
jagby co to v= g czyli przyspieszenie ziemskie i chyba tak to wyglonda